<template>
    <div>
        <!-- 面包屑导航区域 -->
        <el-breadcrumb separator-class="el-icon-arrow-right">
            <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>用户管理</el-breadcrumb-item>
            <el-breadcrumb-item>用户列表</el-breadcrumb-item>
        </el-breadcrumb>

        <!-- 卡片视图区 -->
        <el-card>
            <!-- 搜索与添加区域 -->
            <el-row :gutter="20">
                <el-col :span="8">
                    <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getUserList">
                        <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
                    </el-input>
                </el-col>
                <el-col :span="4">
                    <el-button type="primary" @click="addDialogVisible = true">添加用户</el-button>
                </el-col>
            </el-row>
            <!-- 用户列表区域 -->
            <el-table :data="userList" border stripe> 
                <el-table-column type="index"></el-table-column>
                <el-table-column label="姓名" prop="userName"></el-table-column>
                <el-table-column label="电话" prop="userPhone"></el-table-column>
                <el-table-column label="邮箱" prop="userEmail"></el-table-column>
                <el-table-column label="角色" >
                    <template slot-scope="scope" >
                        <div>
                            <ul>
                                <li v-for="item in scope.row.roles" :key="item.roleId">
                                    <template v-if="item.roleId !== null">{{item.roleName}}</template>
                                    <template v-else>无角色</template>
                                </li>
                            </ul>
                        </div>
                    </template> 
                </el-table-column>
                <el-table-column label="积分" prop="points"></el-table-column>
                <el-table-column label="状态" prop="delete">
                    <template slot-scope="scope" >
                        <el-switch v-model="scope.row.delete" @change="userStateChanged(scope.row)">
                        </el-switch>
                    </template>
                </el-table-column>
                <!-- 自定义操作 -->
                <el-table-column label="操作" width="180px">
                    <template slot-scope="scope" >
                        <!-- 修改按钮 -->
                        <el-button type="primary" icon="el-icon-edit" size="mini" @click="showEditDialog(scope.row.userId)"></el-button>
                        <!-- 删除按钮 -->
                        <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeUserById(scope.row.userId)"></el-button>
                        <!-- 分配角色 -->
                        <el-tooltip  effect="dark" content="分配角色" placement="top" :enterable='false'>
                            <el-button type="warning" icon="el-icon-setting" size="mini" @click="setRole(scope.row)"></el-button>
                        </el-tooltip>
                    </template>
                </el-table-column>
            </el-table>
            <!-- 分页区域 -->
            <el-pagination
                @size-change="handleSizeChange"
                @current-change="handleCurrentChange"
                :current-page="queryInfo.pagenum"
                :page-sizes="[1, 2, 5, 10]"
                :page-size="queryInfo.pagesize"
                layout="total, sizes, prev, pager, next, jumper"
                :total="total">
            </el-pagination>
            <!-- 添加用户的对话框 -->
                <el-dialog
                title="添加用户"
                :visible.sync="addDialogVisible"
                width="50%"
                @close="addDialogClosed">
                    <!-- 内容主体区域 -->
                    <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px" >
                        <el-form-item label="用户名" prop="userAccount">
                            <el-input v-model="addForm.userAccount"></el-input>
                        </el-form-item>
                        <el-form-item label="昵称" prop="userName">
                            <el-input v-model="addForm.userName"></el-input>
                        </el-form-item>
                        <el-form-item label="密码" prop="userPwd">
                            <el-input v-model="addForm.userPwd"></el-input>
                        </el-form-item>
                        <el-form-item label="邮箱" prop="userEmail">
                            <el-input v-model="addForm.userEmail"></el-input>
                        </el-form-item>
                        <el-form-item label="手机" prop="userPhone">
                            <el-input v-model="addForm.userPhone"></el-input>
                        </el-form-item>
                    </el-form>
                    <!-- 底部区域 -->
                    <span slot="footer" class="dialog-footer">
                        <el-button @click="addDialogVisible = false">取 消</el-button>
                        <el-button type="primary" @click="addUser">确 定</el-button>
                    </span>
                </el-dialog>
                <!-- 修改用户对话框 -->
                <el-dialog
                    title="修改用户"
                    :visible.sync="editDialogVisible"
                    width="50%"
                    @close="editDialogClosed"
                    >
                    <el-form :model="editFrom" :rules="editFromRules" ref="editFromRef" label-width="70px" >
                        <el-form-item label="用户名">
                            <el-input v-model="editFrom.userAccount" disabled></el-input>
                        </el-form-item>
                        <el-form-item label="昵称" prop="userName">
                            <el-input v-model="editFrom.userName"></el-input>
                        </el-form-item>
                        <el-form-item label="邮箱" prop="userEmail">
                            <el-input v-model="editFrom.userEmail"></el-input>
                        </el-form-item>
                        <el-form-item label="手机" prop="userPhone">
                            <el-input v-model="editFrom.userPhone"></el-input>
                        </el-form-item>
                    </el-form>
                      <span slot="footer" class="dialog-footer">
                        <el-button @click="editDialogVisible = false">取 消</el-button>
                        <el-button type="primary" @click="editUserInfo">确 定</el-button>
                      </span>
                </el-dialog>
        </el-card>
        <!-- 分配角色 -->
        <el-dialog
            title="分配角色"
            :visible.sync="setRoleDialogVisible"
            width="50%"
            @closed="setRoleDialogClosed"
            >
            <div>
                <p>当前的用户：{{userInfo.userAccount}}</p>
                <p>当前的角色：
                    <template >
                        <div>
                            <ul>
                                <li v-for="item in userInfo.roles" :key="item.roleId">
                                    <template v-if="item.roleId !== null">{{item.roleName}}</template>
                                    <template v-else>无角色</template>
                                </li>
                            </ul>
                        </div>
                    </template> 
                </p>
                <!-- 分配角色 -->
                <p>分配新的角色：
                    <el-select v-model="selectedRoleId" placeholder="请选择">
                        <el-option
                        v-for="item in rolesList"
                        :key="item.roleId"
                        :label="item.roleName"
                        :value="item.roleId"
                        :disabled="item.disabled">
                        </el-option>
                    </el-select>
                </p>
            </div>
            <span slot="footer" class="dialog-footer">
                <el-button @click="setRoleDialogVisible = false">取 消</el-button>
                <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
            </span>
        </el-dialog>
    </div>
</template>
<script>
export default {
    data() {
        //验证邮箱的规则
        var checkEmail = (rule, value, cb) => {
            //验证邮箱的正则表达式
            const regEmail = /^([a-zA-Z0-9_-])+@([[a-zA-Z0-9_-])+([\.[a-zA-Z0-9_-])+/
            if (regEmail.test(value)) {
                return cb()
            }
            cb(new Error('请输入合法的邮箱'))
        }
        //验证手机号的规则
        var checkPhone = (rule, value, cb) => {
            //验证手机号的正则表达式
            const regPhone = /^(0|86|17951)?(13[0-9]|15[0123456789]|17[678]|18[0-9]|14[57])[0-9]{8}$/
            if (regPhone.test(value)) {
                return cb()
            }
            cb(new Error('请输入合法的手机号'))
        }
      return {
          //获取用户列表的参数对象
          queryInfo: {
              query: '',
              //当前页数
              pagenum: 1,
              //当前每页显示多少数据
              pagesize: 10
          },
          userList: [],
          total: 0,
          //添加用户对话框的显示与隐藏
          addDialogVisible: false,
          //添加用户的表单数据对象
          addForm: {
              userAccount: '',
              userName: '',
              userPwd: '',
              userEmail: '',
              userPhone: ''
          },
          //添加用户表单验证规则对象
          addFormRules: {
              userAccount: [
                  { required: true, message: '请输入用户名', trigger: 'blur'},
                  { min: 3, max: 10, message: '用户名长度在3-10个字符之间', trigger: 'blur'}
              ],
              userName: [
                  { required: true, message: '请输入昵称', trigger: 'blur'}

              ],
              userPwd: [
                  { required: true, message: '请输入密码', trigger: 'blur'},
                  { min: 6, max: 15, message: '密码长度在6-15个字符之间', trigger: 'blur'}
              ],
              userEmail: [
                  { required: true, message: '请输入邮箱', trigger: 'blur'},
                  { validator: checkEmail, trigger: 'blur'}
              ],
              userPhone: [
                  { required: true, message: '请输入手机号', trigger: 'blur'},
                  { validator: checkPhone, trigger: 'blur'}

              ]
          },
          editDialogVisible: false,
          //查询到的用户信息对象
          editFrom: {},
          editFromRules: {
              userName: [
                  { required: true, message: '请输入昵称', trigger: 'blur'}

              ],
              userEmail: [
                  { required: true, message: '请输入邮箱', trigger: 'blur'},
                  { validator: checkEmail, trigger: 'blur'}
              ],
              userPhone: [
                  { required: true, message: '请输入手机号', trigger: 'blur'},
                  { validator: checkPhone, trigger: 'blur'}
              ]
          },
          //控制分配角色的显示与隐藏
          setRoleDialogVisible: false,
          //需要被分配角色的用户信息
          userInfo: {},
          //所有角色的数据列表
          rolesList: {},
          //已选中的角色
          selectedRoleId: ''
      }   
    },
    created() {
        this.getUserList()
    },
    methods: {
        async getUserList() {
            const {data : res} = await this.$http.post('/api/user/getAll',this.queryInfo)
            if(res.code !==200) {
                return this.$message.error('获取用户列表失败！')
            }
            this.userList = res.data.records
            this.total = res.data.total
            console.log(res)    
        },
        //监听pagesize改变event
        handleSizeChange(newSize) {
            this.queryInfo.pagesize = newSize
            this.getUserList()
        },
        //监听页码值改变事件
        handleCurrentChange(newPage) {
            this.queryInfo.pagenum = newPage
            this.getUserList()
        },
        //监听switch开关改变
        async userStateChanged(userInfo) {
            const {data: res} = await this.$http.put('/api/user/updateStatus',userInfo)
            if (res.code !== 200) {
                userInfo.delete = !userInfo.delete
                return this.$message.error('更新用户状态失败')
            }
            this.$message.success('更新用户状态成功')
        },
        //监听添加用户对话框的关闭时间
        addDialogClosed() {
            this.$refs.addFormRef.resetFields()
        },
        //点击按钮添加新用户
        addUser() {
            this.$refs.addFormRef.validate(async valid =>{
                if (!valid) return
                //发起添加用户请求
                const {data: res} = await this.$http.put('/api/user/addUser',this.addForm)
                if(res.code !==201) { return this.$message.error(res.msg)}
                this.$message.success(res.msg)
                this.addDialogVisible = false
                //重新获取用户列表数据
                this.getUserList()
            })
        },
        //修改用户信息
        async showEditDialog(id) {
            const {data: res} = await this.$http.post('/api/user/getUserInfo',{userId:id})
            if (res.code !==200) {
                return this.$message.error('查询用户数据失败')
            }
            this.editFrom = res.data
            this.editDialogVisible = true
        },
        //监听用户修改对话框的关闭时间
        editDialogClosed() {
            this.$refs.editFromRef.resetFields()
        },
        //修改用户信息并提交
        editUserInfo() {
            this.$refs.editFromRef.validate(async valid =>{
                if (!valid) {
                    return
                }
                //发起表单修改
                const {data: res} = await this.$http.put('/api/user/updateUser',this.editFrom)
                if (res.code !== 200) {
                    return this.$message.error(res.msg)
                }
                //关闭对话框
                this.editDialogVisible = false
                //刷新数据列表
                this.getUserList()
                //提示修改成功
                return this.$message.success(res.msg)
            })
        },
        //根据id永久删除用户
        async removeUserById(id) {
            //弹框是否删除数据
            const confirmResult = await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
            confirmButtonText: '确定',
            cancelButtonText: '取消',
            type: 'warning'
            }).catch(err =>  err)
            //如果用户确认删除则返回字符串confrim
            //如果用户取消删除则返回值为字符串cancel
            if (confirmResult !== 'confirm') {
                return this.$message.info('已取消删除')
            }
            const {data: res} = await this.$http.post('/api/user/deleteUser', {userId:id})
            if (res.code !==200) {
                return this.$message.error(res.msg)
            }
            this.getUserList()
            this.$message.success(res.msg)
        },
        //展示分配角色对话框
        async setRole(userInfo) {
            this.userInfo = userInfo
            //获取所有角色列表
            const { data: res} = await this.$http.get('/api/role/getAllRole')
            if (res.code !== 200) {
                return this.$message.error(res.msg)
            } else {
                this.rolesList = res.data
            }
            this.setRoleDialogVisible = true
        },
        //点击按钮分配角色
        async saveRoleInfo() {
            if (!this.selectedRoleId) {
                return this.$message.error('请选择要分配的角色')
            }
            const {data: res} = await this.$http.put('/api/role/insterRoleForUser',{ 
             userId: this.userInfo.userId,
             roleId: this.selectedRoleId
             })
            if (res.code !== 200) {
                return this.$message.error(res.msg)
            } else {
                this.getUserList()
                this.setRoleDialogVisible = false
                return this.$message.success(res.msg)
            }
        },
        //监听分配角色对话框的关闭时间
        setRoleDialogClosed() {
            this.selectedRoleId= ''
            this.userInfo= {}
        }
    }
}
</script>

<style lang="less" scoped>

</style>